Life Span
Annual
Perennial
Type
Bulb or Corm or Tuber
Flowering Plants
Origin
Eastern Europe, Southern Europe, Mediterranean, Turkey, Western Asia
North-Central United States, Central United States, Western United States, Texas
Types
Mountain silverbell , Rosea
Blue Toadflax, Old-Field Toadflax
Number of Varieties
330
0
40000
👆🏻
Habitat
Floodplains, low mountains, Lower slopes, secondary forest
Cultivated Beds
USDA Hardiness Zone
5-93-9
0
99
👆🏻
AHS Heat Zone
9-5
9-1
Sunset Zone
21,22
1a, 1b, 2a, 2b, 3a, 3b, 10
Habit
Clump-Forming
Upright/Erect
Plant Size
Minimum Height
25.40 cm61.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm25.40 cm
0
6350
👆🏻
Plant Color
Flower Color
White
Pink, Light Blue, Lavender
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Green
Light Green, Blue Green, Gray Green
Leaf Color in Summer
Light Green
Blue Green, Gray Green
Leaf Color in Fall
Several shades of Green
Blue Green, Gray Green
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Acuminate
Oval to egg shaped
Thorns
✔
✘
✔
✘
Plant Season
Spring
Spring, Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Fast
Fast
Type of Soil
-
Clay, Loam
The pH of Soil
-
Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Spring, Late Spring
Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Ground
How to Plant?
Layering, Seedlings, Stem Cutting
Cuttings, Divison, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
occasional watering once established
Average Water Needs, Do Not over Water
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
-
Neutral, Alkaline
Soil Type
-
Clay, Loam
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Prune grass to maintain level, Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
use all-purpose fertilizers
Pests and Diseases
Pests and diseases free
Foliar disease, Root rot, Spider mites
Plant Tolerance
Drought and Salt
Drought
Flowers
Showy
Showy
Flower Petal Number
Single
Single
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Medium
Medium
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Bees, Flying insects
Bumblebees
Allergy
-
Depression, High blood cholestrol, Pain
Uses
Aesthetic Uses
along a porch, deck or patio, Beautification, Cottage Garden, Showy Purposes, Wild gardens
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
-
Analgesic, Febrifuge, Stomachic
Part of Plant Used
-
Leaves, Root
Other Uses
Decoration Purposes
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Cutflower, Mixed Border, Rock Garden / Wall
Rock Garden / Wall, Wildflower
Botanical Name
ORNITHOGALUM nutans
PENSTEMON grandiflorus
Common Name
Drooping Star-of-Bethlehem, Nodding Star-of-Bethlehem, Silver Bells
Large Beardtongue, Shell-leaf Penstemon, Wild Snapdragon
In Hindi
Silver bells
Wild Snapdragon
In German
Silver bells
Wilde Snapdragon
In French
Silver bells
Snapdragon sauvage
In Spanish
Silver bells
Salvaje Snapdragon
In Greek
Silver bells
άγρια Snapdragon
In Portuguese
Silver bells
Selvagem Snapdragon
In Polish
Silver bells
Dziki Snapdragon
In Latin
Silver bells
Phlox Ferae
Kingdom
Plantae
Plantae
Phylum
Angiosperms
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Ebenales
Scrophulariales
Family
Asparagaceae
Scrophulariaceae
Genus
Halesia
Penstemon
Clade
Eudicots
Angiosperms, Asterids, Eudicots
Tribe
-
-
Subfamily
-
Scrophularioideae
Number of Species
440
1
27800
👆🏻